/* =========================================================
   rekini — Latvian invoice generator
   Stylesheet. Light/dark via prefers-color-scheme.
   ========================================================= */

:root {
  --c-bg: #f6f8fb;
  --c-card: #ffffff;
  --c-text: #1f2937;
  --c-muted: #64748b;
  --c-border: #e2e8f0;
  --c-border-strong: #cbd5e1;
  --c-accent: #1e40af;
  --c-accent-hover: #1d4ed8;
  --c-accent-light: #dbeafe;
  --c-success: #16a34a;
  --c-success-light: #dcfce7;
  --c-warning: #b45309;
  --c-warning-light: #fef3c7;
  --c-danger: #b91c1c;
  --c-danger-light: #fee2e2;
  --c-info: #1d4ed8;
  --c-info-light: #dbeafe;
  --c-row-alt: #f8fafc;
  --c-shadow: 0 1px 2px rgba(15, 23, 42, 0.04), 0 4px 12px rgba(15, 23, 42, 0.04);
  --radius: 8px;
  --radius-sm: 4px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --c-bg: #0f172a;
    --c-card: #1e293b;
    --c-text: #e2e8f0;
    --c-muted: #94a3b8;
    --c-border: #334155;
    --c-border-strong: #475569;
    --c-accent: #60a5fa;
    --c-accent-hover: #93c5fd;
    --c-accent-light: #1e3a8a;
    --c-success: #4ade80;
    --c-success-light: #052e16;
    --c-warning: #fbbf24;
    --c-warning-light: #451a03;
    --c-danger: #f87171;
    --c-danger-light: #450a0a;
    --c-info: #60a5fa;
    --c-info-light: #1e3a8a;
    --c-row-alt: #1a2434;
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--c-bg);
  color: var(--c-text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
               "Helvetica Neue", Arial, "Noto Sans", "Liberation Sans", sans-serif;
  font-size: 15px;
  line-height: 1.5;
}

a { color: var(--c-accent); text-decoration: none; }
a:hover { text-decoration: underline; }

code, pre { font-family: "SFMono-Regular", Menlo, Consolas, "Liberation Mono", monospace; font-size: 0.92em; }
pre.code-block { background: var(--c-row-alt); border: 1px solid var(--c-border); padding: 8px 12px; border-radius: var(--radius-sm); overflow-x: auto; max-height: 400px; }

/* -------- topbar -------- */
.topbar {
  background: var(--c-card);
  border-bottom: 1px solid var(--c-border);
  position: sticky; top: 0; z-index: 10;
}
.topbar-inner {
  max-width: 1200px; margin: 0 auto;
  padding: 12px 24px;
  display: flex; align-items: center; gap: 32px;
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--c-text); }
.brand:hover { text-decoration: none; }
.brand-mark {
  width: 32px; height: 32px; border-radius: 8px;
  background: linear-gradient(135deg, var(--c-accent) 0%, #6366f1 100%);
  color: #fff; font-weight: 700; font-size: 18px;
  display: flex; align-items: center; justify-content: center;
}
.brand-name { font-weight: 600; font-size: 16px; }
.brand-sub { color: var(--c-muted); font-size: 13px; }

.topnav { display: flex; gap: 4px; flex: 1; }
.topnav a {
  padding: 6px 12px; border-radius: var(--radius-sm);
  color: var(--c-muted); font-weight: 500;
}
.topnav a:hover { background: var(--c-row-alt); color: var(--c-text); text-decoration: none; }
.topnav a.active { color: var(--c-accent); background: var(--c-accent-light); }

.userbox { display: flex; align-items: center; gap: 10px; }
.user-name { font-size: 13px; color: var(--c-muted); }
.link-btn {
  background: none; border: none; color: var(--c-muted);
  cursor: pointer; padding: 4px 8px; font-size: 13px;
}
.link-btn:hover { color: var(--c-text); }

/* -------- main layout -------- */
main { max-width: 1200px; margin: 0 auto; padding: 24px; }
.narrow-main { max-width: 600px; }
.auth-main {
  min-height: calc(100vh - 100px);
  display: flex; align-items: center; justify-content: center;
}

.page-head {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 16px; flex-wrap: wrap; margin-bottom: 16px;
}
.page-head h1 { margin: 0 0 4px 0; font-size: 24px; }
.page-actions { display: flex; gap: 8px; flex-wrap: wrap; }

.muted { color: var(--c-muted); }
.small { font-size: 12px; }
.center { text-align: center; }

.flashes { margin-bottom: 16px; display: flex; flex-direction: column; gap: 8px; }
.flash {
  display: flex; justify-content: space-between; align-items: center;
  padding: 10px 14px; border-radius: var(--radius-sm); border: 1px solid;
  font-size: 14px;
}
.flash-success { background: var(--c-success-light); border-color: var(--c-success); color: var(--c-success); }
.flash-warning { background: var(--c-warning-light); border-color: var(--c-warning); color: var(--c-warning); }
.flash-danger  { background: var(--c-danger-light);  border-color: var(--c-danger);  color: var(--c-danger); }
.flash-info    { background: var(--c-info-light);    border-color: var(--c-info);    color: var(--c-info); }
.flash-close { background: none; border: none; font-size: 18px; cursor: pointer; color: inherit; opacity: 0.6; }
.flash-close:hover { opacity: 1; }

/* -------- cards -------- */
.card, .page-card, .auth-card {
  background: var(--c-card);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  box-shadow: var(--c-shadow);
  padding: 20px;
  margin-bottom: 16px;
}
.card h2, .page-card h1, .auth-card h1 { margin-top: 0; }
.card h2 { font-size: 16px; }
.card.warn { border-color: var(--c-warning); }
.error-card h1 { font-size: 56px; margin: 0; color: var(--c-muted); }

.two-col {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
}
@media (max-width: 800px) { .two-col { grid-template-columns: 1fr; } }

/* -------- forms -------- */
.form { display: flex; flex-direction: column; gap: 12px; }
.form h2 { font-size: 14px; text-transform: uppercase; color: var(--c-muted); margin: 8px 0 0 0; letter-spacing: 0.5px; }
.form label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; }
.form label > span { color: var(--c-muted); font-weight: 500; }
.form label.inline-checkbox { flex-direction: row; align-items: center; gap: 6px; }
.form input[type="text"],
.form input[type="email"],
.form input[type="password"],
.form input[type="number"],
.form input[type="search"],
.form input[type="date"],
.form select,
.form textarea {
  background: var(--c-card);
  border: 1px solid var(--c-border-strong);
  border-radius: var(--radius-sm);
  padding: 7px 10px;
  color: var(--c-text);
  font-size: 14px;
  font-family: inherit;
  width: 100%;
}
.form input:focus, .form select:focus, .form textarea:focus {
  outline: 2px solid var(--c-accent);
  outline-offset: 0;
  border-color: var(--c-accent);
}
.form textarea { resize: vertical; min-height: 60px; }
.form small { color: var(--c-muted); }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 12px; }
.span-2 { grid-column: span 2; }
@media (max-width: 700px) { .grid-2, .grid-3 { grid-template-columns: 1fr; } .span-2 { grid-column: span 1; } }

.form-actions { display: flex; gap: 8px; margin-top: 12px; }

/* -------- buttons -------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--c-card);
  color: var(--c-text);
  border: 1px solid var(--c-border-strong);
  border-radius: var(--radius-sm);
  padding: 6px 12px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  font-family: inherit;
}
.btn:hover { background: var(--c-row-alt); text-decoration: none; }
.btn.primary { background: var(--c-accent); color: #fff; border-color: var(--c-accent); }
.btn.primary:hover { background: var(--c-accent-hover); border-color: var(--c-accent-hover); }
.btn.danger { background: var(--c-danger); color: #fff; border-color: var(--c-danger); }
.btn.danger:hover { background: #991b1b; }
.btn.small { padding: 3px 8px; font-size: 12px; }
.btn.block { width: 100%; }
.btn.link { border: none; background: none; color: var(--c-accent); }
.btn.link:hover { text-decoration: underline; }

form.inline { display: inline-flex; gap: 4px; }

/* -------- tables -------- */
.table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 14px;
}
.table th, .table td {
  text-align: left;
  padding: 8px 10px;
  border-bottom: 1px solid var(--c-border);
  vertical-align: top;
}
.table th {
  background: var(--c-row-alt);
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  color: var(--c-muted);
  letter-spacing: 0.3px;
  border-bottom: 1px solid var(--c-border-strong);
}
.table tbody tr:hover { background: var(--c-row-alt); }
.table tfoot td { background: var(--c-row-alt); }
.table.compact th, .table.compact td { padding: 4px 8px; font-size: 13px; }
.table .right { text-align: right; }
.table .total td { font-size: 15px; border-top: 2px solid var(--c-border-strong); }

.items-table input, .items-table select { padding: 4px 6px; font-size: 13px; }
.row-del { background: none; border: none; color: var(--c-danger); font-size: 18px; cursor: pointer; padding: 0 6px; }

/* -------- filters -------- */
.filters {
  display: flex; gap: 8px; align-items: center; flex-wrap: wrap;
  background: var(--c-card);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 10px 12px;
  margin-bottom: 16px;
}
.filters input[type="search"] { flex: 1; min-width: 200px; }
.filters select { padding: 6px 10px; border: 1px solid var(--c-border-strong); border-radius: var(--radius-sm); background: var(--c-card); color: var(--c-text); }

/* -------- auth -------- */
.auth-card { max-width: 380px; width: 100%; }
.auth-brand { text-align: center; margin-bottom: 20px; }
.auth-logo {
  width: 56px; height: 56px; border-radius: 14px;
  background: linear-gradient(135deg, var(--c-accent) 0%, #6366f1 100%);
  color: #fff; font-weight: 700; font-size: 30px;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 12px;
}
.auth-form { display: flex; flex-direction: column; gap: 12px; }
.auth-form label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; }

/* -------- badges / pills -------- */
.badge {
  display: inline-block;
  padding: 1px 7px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  background: var(--c-row-alt);
  color: var(--c-muted);
  margin-left: 4px;
  border: 1px solid var(--c-border);
}
.badge.ok { background: var(--c-success-light); color: var(--c-success); border-color: var(--c-success); }
.badge.warning { background: var(--c-warning-light); color: var(--c-warning); border-color: var(--c-warning); }
.badge.danger { background: var(--c-danger-light); color: var(--c-danger); border-color: var(--c-danger); }
.badge.info { background: var(--c-info-light); color: var(--c-info); border-color: var(--c-info); }
.badge.admin { background: var(--c-accent-light); color: var(--c-accent); border-color: var(--c-accent); }

.status-pill {
  display: inline-block;
  padding: 1px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  background: var(--c-row-alt);
  color: var(--c-muted);
  border: 1px solid var(--c-border);
}
.status-pill.status-draft    { background: var(--c-row-alt); color: var(--c-muted); }
.status-pill.status-issued   { background: var(--c-info-light); color: var(--c-info); border-color: var(--c-info); }
.status-pill.status-paid     { background: var(--c-success-light); color: var(--c-success); border-color: var(--c-success); }
.status-pill.status-cancelled { background: var(--c-danger-light); color: var(--c-danger); border-color: var(--c-danger); }
.status-pill.status-overdue  { background: var(--c-warning-light); color: var(--c-warning); border-color: var(--c-warning); }

/* -------- KPI grid -------- */
.kpi-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px; margin-bottom: 16px;
}
.kpi {
  background: var(--c-card);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 14px 16px;
  color: var(--c-text);
  text-decoration: none;
}
.kpi:hover { border-color: var(--c-accent); text-decoration: none; }
.kpi-label { color: var(--c-muted); font-size: 12px; text-transform: uppercase; letter-spacing: 0.5px; }
.kpi-value { font-size: 24px; font-weight: 700; margin: 4px 0; }
.kpi-sub { font-size: 12px; color: var(--c-muted); display: flex; gap: 4px; flex-wrap: wrap; }

/* -------- bar chart -------- */
.bar-chart {
  display: flex; gap: 6px; align-items: flex-end; height: 180px;
  border-bottom: 1px solid var(--c-border); padding: 8px 0;
}
.bar-col { flex: 1; display: flex; flex-direction: column; align-items: center; min-width: 0; }
.bar { background: linear-gradient(180deg, var(--c-accent) 0%, #6366f1 100%); width: 100%; min-height: 2px; border-radius: 3px 3px 0 0; transition: height 0.2s; }
.bar-label { font-size: 10px; color: var(--c-muted); margin-top: 4px; }

/* -------- ur / customer search -------- */
.ur-search-row { display: flex; gap: 8px; margin-bottom: 8px; }
.ur-search-row input { flex: 1; padding: 6px 10px; border: 1px solid var(--c-border-strong); border-radius: var(--radius-sm); background: var(--c-card); color: var(--c-text); }
.ur-results { display: flex; flex-direction: column; gap: 4px; max-height: 200px; overflow-y: auto; }
.ur-result {
  padding: 8px 10px;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  background: var(--c-card);
}
.ur-result:hover { background: var(--c-accent-light); border-color: var(--c-accent); }

.compliance-row { display: flex; gap: 16px; flex-wrap: wrap; }

/* -------- modal overlay (CSV export, etc.) -------- */
.modal-overlay {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(15, 23, 42, 0.55);
  backdrop-filter: blur(2px);
  display: none;
  align-items: center; justify-content: center;
  padding: 24px;
}
.modal-overlay.open { display: flex; }
.modal-card {
  background: var(--c-card);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  box-shadow: var(--c-shadow);
  padding: 20px;
  width: 100%;
  max-width: 540px;
  max-height: 90vh;
  overflow-y: auto;
}
.modal-card h2 { margin-top: 0; font-size: 18px; }
@media (prefers-color-scheme: dark) {
  .modal-overlay { background: rgba(0, 0, 0, 0.65); }
}

/* -------- dl.kv -------- */
.kv { display: grid; grid-template-columns: max-content 1fr; gap: 6px 12px; margin: 0; }
.kv dt { color: var(--c-muted); font-size: 13px; }
.kv dd { margin: 0; font-size: 14px; }

.plain-list { list-style: none; padding: 0; margin: 0; }
.plain-list li { padding: 6px 0; border-bottom: 1px solid var(--c-border); }
.plain-list li:last-child { border-bottom: none; }

.empty { text-align: center; padding: 40px 20px; color: var(--c-muted); }

.pager { display: flex; gap: 12px; align-items: center; justify-content: center; margin-top: 16px; }

/* -------- footer -------- */
.footer {
  border-top: 1px solid var(--c-border);
  margin-top: 40px;
  padding: 20px 24px;
  text-align: center;
  color: var(--c-muted);
  font-size: 12px;
}
.footer .dot { margin: 0 8px; }